import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;

/**
 * Creat with IntelliJ IDEA
 * Description
 * User: mamba24
 * Date: 2022-08-17
 * Time: 9:24
 * To BE A Better Person-2020-3-2
 */
public class TestDemo {
    //编写代码, 基于 Callable 实现 1+2+3+...+1000
    public static void main(String[] args) throws ExecutionException, InterruptedException {
        Callable<Integer> callable=new Callable<Integer>() {
            //Computes a result, or throws an exception if unable to do so.
            @Override
            public Integer call() throws Exception {
                int sum=0;
                for (int i = 1; i <=100; i++) {
                    sum+=i;
                }
                return sum;
            }
        };
        FutureTask<Integer> futureTask=new FutureTask<>(callable);
        Thread t=new Thread(futureTask);
        t.start();

        int result= futureTask.get();
        System.out.println(result);
    }
}
